Printing-machine.



G. K. HENDERSON..

PRINTING MACHINE.

APPucATlQN FILED APR. 13. 191e.

Patented Aug. 14, 1917.

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INVENTUI? M A Gea/e K//fwffsalv G. K. HENDERSON. PRINTING MCHINE.APPLIcATloN FILED APR. 13. 1916.

Patented Aug. 14, 1917.

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WITNESSES:

l N V E N TUR v reqs Afl/Mpman I f nnss EJK] HENDERSON.

PRINTING MACHINE.

APPLICATION FILED APR. 13V.' 1916.

Patented AlIg. 14, 1917.

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' 1 Afro/Mfrs UNITED STATES PATENT oEErcE.

GEORGE K. HENDERSON, OF INDIANAPOLIS, INDIANA, ASSIGNOR T0 INTERNATIONALPRINTING COMPANY,YOF INDIANAPOLIS, INDIANA, A CORPORATION.

PRINTING-MACHINE.

I Specification of Letters Patent. Patented Aug. 14, 1917.

Application filed April 13, 1916. Serial No. 90,895.

To all whoml t may concern:

Be it known that I, GEORGE K. HENDER- soN, a citizen of the UnitedStates, and a resident of Indianapolis, county of Marion, and State ofIndiana, have invented a certain new and useful Printing-Machine; and Ido hereby declare that the following is a full, clear, and exactdescription thereof, reference being had to the accompanying drawings,in which like letters refer to like parts.

The object of this invention is to enable the plate carrying cylinder ofa printing machine, particularly a color printing machine or unit suchas may be used, if desired, in multiple color printing machines, to beelevated from the impression cylinder and sheet of paper which may bepassing through the machine, so that while it is thus elevated it willnotV rint, although the remainder of the mac ine will still continue torun, reference being had to my co-pending application Serial No. 88,547.

This enables one to readily stop the machine from printing although itotherwise is operating, for the purpose of changing, adjusting or doingany other necessary thing to the inking: train 0r apparatus.

Along with the foregoing is such a mounting of the inking train or rollsthat they will readily rise with the plate carrying cylinder withoutinterfering with such movement. The inking rolls adjacent to theplatecarrying cylinder are carried in a vertically movable bearing'bar ateach end; and hand operated means is provided for elevating said inkingrolls away from the plate carrying cylinder when it is desired formounting plates on said cylinder or for any other purpose. Thisarrangement is 'such as not to interfere with the remainder of theinking train or apparatus. y

The foregoing and other features of the invention will be understoodfrom the following description and claims.

In the drawings, Figure 1 is a side elevation of the machine, lpartsbeing broken away. Fig. 2 is a section on line 4-4 of` cylinder upwardout of printing position.

Fig. 5 is a vertical longitudinal section through the upper part of themachine on line 7 7 of'Fig. 2. Fig. 6 is a section through a portion ofthe machine on line 8-8 of Fig. 2, showing the means for mounting thelower portion of the inking train and for elevating the same. Fig. 7 isa part of Fig. 6 with the lower portion of the inking train elevated.

There is shown herein a main frame 10 carrying an impression cylinder 11and a plate carrying cylinder 12 above and coperating with saidimpression cylinder. The sheet of paper 13 is fed by said cylindersbetween and through them during the printing operation, and moves from apaper roll 14 carried by a suitable support 15.

The machine is driven from any suitable source of power applied to thelshaft 16 which carries a bevel pinion 17 meshing with a bevel gear 18secured on a shaft 19 of the impression cylinder. A spur gear y20transmits power from said shaft 19 to a spur gear 21 secured on theshaft 22 of the plate carrying cylinder.

The shaft 22 is mounted at each end in a vertically movable bearing 23slidable between vertical guide ways 24 which areV secured"to the frame10. A'pair of ears 25` extend down from each bearing 23 and to said earsa link 26 -is pivoted at its upper end and said link at its lower end ispivoted to the horizontal lever 27 which is fulcrumed to the main frameat 28. The other end of the lever is yoke-shaped and embraces a cam 29on a cam shaft 3() mounted in the main frame and actuated by a handlever 31. When the machine is in printing condition the hand lever 31 isupright as shown in Fig. 1, and the plate carrying cylinder engages thesheet of paper 13. When, however, it is desired to stop the printing, orfor any purpose` to elevate the plate carrying cylinder 12,` the lever31 is moved down to a horizontal position, as shown in, Fig. 4, whichelevates the lever 27, the plate carrying cylinder 12, and the train ofinking rolls above saidcylinder. This can be done without interferingwith the continuous operation of the shaft 16 and the im-l pressioncylinder 11.

When it is desired to return parts to their normal position for printingthe hand lever 31 is turned upward to its vertical position.

Upon each side of the main frame there is an inking bracket 35 securedwhich carries an ink fountain 36 on its Lipper end, having an inkingroll 37 therein and an adjustable bottom plate 38 and set screws 39 foradjusting the bottom 38 to the inking roll 37 in order to regulate thefeed of ink. Beneath the fountain there is a large inking roll 40 andupon it a roll 41 travels for transferring ink thereto from the inkingroll 37 in the ink fountain. The roll 41 at each end has bearing in theend of bearing bar 43, fulcrumed to the inking bracket at 44. r1`he arms43 are elevated at each revolution of the roll 40 by' cams 45 on theends thereof, and such elevation of the arms 43 moves the roll 41 intoengagement with the inking roll 37 in the ink fountain. In this mannerthe ink is transferred from the roll 37 to the roll 40. The roll 37 inthe ink fountain is actuated by an eccentric ring 46 operated by the cam45, said eccentric forcing a bar 47 upwardly and moving an arm 48carrying a pawlv 49 which engages a ratchet 50 on the spindle of theinking roll 37 Therefore at very revolution of the roll 40 the cam 45will give said ratchet feed one operation and will cause a correspondingrotary movement of the inking roll 37.

There are other inking rolls 51 which cooperate with the roll 40 andthere are longitudinally vibratory ink rolls 52 and a train of ink rolls53, all mounted in U-shaped bearings 54 secured to the inking brackets.Thereby the inking rolls are readily mounted in their bearings and arevertically movable. The roll 40 is driven by a chain of gears 55 and 56,the latter meshing with the gear 21 which drives the plate carryingcylinder. This gearing is indicated in Fig. 1. The arrangement andmanner of mounting of the inking rolls so far described constitute nonew part of this machine, but are described herein in order to make theinvention clear.

The mounting of the lower rolls 53 of the inking train in U-shapedbearings extending upwardly enables them to ride on the plate carryingcylinder 12 and transfer ink thereto while the machine is printing. Whenthe plate carrying cylinder 12, however, is elevated, it forces saidinking rolls upwardly in their bearings and therefore the inking rollsdo not prevent such upward movement of the plate carrying cylinder.

In order to hold the inking rolls away from the plate carrying cylinderwhen plates are being placed thereon or for any other purpose, thefollowing means is provided. On each side of the machine there is anarcuate bar 60 with its upper surface Copies of this patent may beobtained 'for normally engaging the spindles of the inking rolls 53,said plate lying between the main frame and the ends of the rolls 53.The ends of the bar 60 rest upon cams 61 secured on cam shafts 62 whichextend transversely through the machine. Each cam shaft 62 has an arm 63extending therefrom rigidlyand such arm is pivoted to a longitudinallyconnectin bar 64, so that when one of said cam sha ts 62 is operated bythe hand lever 65 secured thereto, both cam shafts and all the camsthereonV will be operated and the bars 60 elevated for -lifting theinking rolls 53 entirely clear of the plate carrying cylinder. Thenormal position of these parts is shown in Fig. 6 where the lever 65extends upwardly. When said lever is thrown down into the position ofEig. 7 the bars 60 will be elevated and the rolls 53 lifted away fromthe plate carrying cylinder.

The invention is not limited to the particular details of constructionherein referred to Ifor the sake of explaining the general nature of theinvention as said 'parts mayI be changed or modified in ways known tothose skilled in the art without departing from this invention.

What I claim as the invention is:

1. A printing machine including a frame, a plate carrying cylindermounted therein so as to be movable, means for moving said cylinder,inking rolls adapted to ride on said plate carrying cylinders, spindlesfor said rolls, means for mounting said spindles which permit themovement of the rolls, a pair of cam shafts extending transverselythrough the machine, cams on said shafts, a bar under the spindles whichrests upon the cams, and means for simultaneously.' operating said camshafts.

2. A printing machine including a frame, a plate carrying cylindermounted thereinso as to be vertically movable, means for. verticallymoving said cylinder, inking rolls adapted to ride on said platecarrying cylinders, spindles for said rolls, meansV for mounting saidspindles which permit the vertical movement of the rolls, a pair of camshafts extending transversely through the machine, cams on said shafts,a har under the spindles at each end of said rolls and which rests uponthe cams, arms connected with the cam shafts, bars for connecting saidarms, and means for operating one of said cam shafts whereby all of thecams will be simultaneously operated and the inking rolls elevated.

In witness whereof, I have hereunto aHixed my signature.

GEORGE K. HENDERSON.

five cents each, by addressing the Commissioner of latents, Washington,D. C, 1

